It has no specific "sound". It's just a loud humming noise.
sound wavers are affected by propellers
It is very rare to hear the sound of a propeller without the accompanying rumble of an engine as well. However, some newer aircraft are being equipped with very quiet engines, the Diamond Twin-Star for example has diesel engines which are very quiet indeed. The propellers themselves make a whirring sound much like you think they would, like the swoosh of a Baseball bat.
Precision Propellers was created in 1979.
Lang Propellers was created in 1913.
Tennessee Propellers was created in 1981.
3 Propellers were on the famous RMS TITANIC!
De Havilland Propellers was created in 1935.
Some airplanes have had up to 8 propellers.
No. Gliders, jets and rocket-propelled aircraft do not have propellers.
Generally speaking there are 4 propellers. Two of them are crossed over each other that form the main propellers, and the other two are at the rear.
The Helicopter with the long propellers creates more list and has to do less rotations, and use less power than the one with short proplellers. Therefore Helicopter with the long propellers will hover and stay in air longer than the one with short propellers.
The propellers on the plane were 8.5 feet long